Config changes for esst_config_uniq.txt:
1298656743.782239 0241
1298656746.799702 0531
1298678321.670958 0531
1298678324.688421 0241
1298678324.688421 0241
1298678327.705888 0531
1298678412.194927 0531
1298678415.212392 0241